[llvm] r371551 - [x86] add test for false dependency with AVX; NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Tue Sep 10 13:04:10 PDT 2019
Author: spatel
Date: Tue Sep 10 13:04:10 2019
New Revision: 371551
URL: http://llvm.org/viewvc/llvm-project?rev=371551&view=rev
Log:
[x86] add test for false dependency with AVX; NFC
Goes with D67363
Modified:
llvm/trunk/test/CodeGen/X86/stack-folding-fp-avx1.ll
Modified: llvm/trunk/test/CodeGen/X86/stack-folding-fp-avx1.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/stack-folding-fp-avx1.ll?rev=371551&r1=371550&r2=371551&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/stack-folding-fp-avx1.ll (original)
+++ llvm/trunk/test/CodeGen/X86/stack-folding-fp-avx1.ll Tue Sep 10 13:04:10 2019
@@ -2868,6 +2868,21 @@ define double @stack_fold_roundsd(double
%2 = call double @llvm.floor.f64(double %a0)
ret double %2
}
+
+define double @stack_fold_roundsd_minsize(double %a0) minsize {
+; CHECK-LABEL: stack_fold_roundsd_minsize:
+; CHECK: # %bb.0:
+; CHECK-NEXT: vmovsd %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
+; CHECK-NEXT: #APP
+; CHECK-NEXT: nop
+; CHECK-NEXT: #NO_APP
+; CHECK-NEXT: vxorps %xmm0, %xmm0, %xmm0
+; CHECK-NEXT: vroundsd $9, {{[-0-9]+}}(%r{{[sb]}}p), %xmm0, %xmm0 # 8-byte Folded Reload
+; CHECK-NEXT: retq
+ %1 = tail call <2 x i64> asm sideeffect "nop", "=x,~{xmm1},~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{flags}"()
+ %2 = call double @llvm.floor.f64(double %a0)
+ ret double %2
+}
declare double @llvm.floor.f64(double) nounwind readnone
define <2 x double> @stack_fold_roundsd_int(<2 x double> %a0, <2 x double> %a1) optsize {
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